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Guide to Muelleria tetonensis

Bahls 2014

Muelleria Tetonensis Guide
Credit: Loren Bahls
  1. Valves linear-elliptic
  2. Valve margins parallel
  3. Striae radiate

Valves are large and linear-elliptic, with parallel margins. Striae are radiate throughout. Proximal raphe ends are deflected unilaterally.